package cn.waqwb.mapper;

import cn.waqwb.pojo.Book;

import java.util.List;

/**
 * @Classname BookMapper
 * @Description TODO
 * @Date 2022/8/24 22:57
 * @Created by Administrator
 */
public interface BookMapper {
    //查询全部图书
    List<Book> getAll();
}
